Mathematics: Ineed step by step answers i don’t understand this

Ineed step by step answers i don’t understand

Ответ:

Dweath50

08.01.2022

Mathematics

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

m - slope

b - y-intercept (0, b)

$1.\ \text{Slope is}\ -2\to m=-2,\ \text{y-intercept is}\ -6\to b=-6\\\\\boxed{y=-2x-6}\\\\2.\ \text{Slope is}\ \dfrac{3}{7}\to m=\dfrac{3}{7},\ \text{y-intercept is}\ -1\to b=-1\\\\\boxed{y=\dfrac{3}{7}x-1}\\\\3.\ m=-8,\ b=11\\\\\boxed{y=-8x+11}\\\\4.\ m=0,\ b=-5\\\\\boxed{y=0x-5\to y=-5}\\\\5.\ m=-11,\ \text{y-intercept is}\ (0,\ 13)\to b=13\\\\\boxed{y=-11x+13}$

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Ответ:

RanTam

07.12.2021

Mathematics

The answer is 9. To answer the question you would have to do 180 divided by 20. The ones place in each number, cross each other out so you would only have to do 18 divided by 2 to answer it.

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Ineed step by step answers i don’t understand this

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